NGS vs OII

Natural Gas Services Group Inc.

Natural Gas Services Group, Inc. provides natural gas compression services and equipment to the energy industry in the United States. It fabricates, manufactures, rents, and sells natural gas compressors and related equipment. The company primarily engages in the rental of compression units that provide small, medium, and large horsepower applications for unconventional oil and natural gas production. As of December 31, 2020, the company had 2,224 natural gas compression units in its rental fleet with 438,524 horsepower. The company also engages in the design, fabrication, and assembly of compressor components into compressor units for rental or sale; engineers and fabricates natural gas compressors; and designs and manufactures a line of reciprocating compressor frames, cylinders, and parts. In addition, it is involved in the design, fabrication, sale, installation, and service of flare stacks and related ignition and control devices for the onshore and offshore incineration of gas compounds, such as hydrogen sulfide, carbon dioxide, natural gas, and liquefied petroleum gases. Further, the company offers customer support services for its compressor and flare sales business; an exchange and rebuild program for small horsepower screw compressors; and maintains an inventory of new and used compressors. Its primary customers are exploration and production(E&P) companies that utilize compressor units for artificial lift applications; E&P companies that focuses on natural gas-weighted production; and midstream companies. Natural Gas Services Group, Inc. was incorporated in 1998 and is headquartered in Midland, Texas.

Oceaneering International Inc.

Oceaneering International, Inc. provides engineered services and products to the offshore oil and gas, defense, aerospace, and commercial theme park industries worldwide. The company's Subsea Robotics segment provides remotely operated vehicles (ROVs) to customers in the energy industry for drilling support and vessel-based services, including subsea hardware installation, construction, pipeline inspection, survey and facilities inspection, maintenance and repair. As of December 31, 2020, this segment owned 250 work-class ROVs. Its Manufactured Products segment provides production control umbilicals and connection systems; and program management, engineering design, fabrication/assembly, and installation to the commercial theme park industry, as well as mobile robotics solutions, including AGV technology to various industries. The company's Projects Group segment offers subsea installation and intervention, including riserless light well intervention services and inspection, and maintenance and repair services; installation and workover control systems, and ROV workover control systems; project management and engineering; and seabed preparation, route clearance, and trenching services for submarine cables for the renewable energy markets. Its Integrity Management & Digital Solutions segment provides asset integrity management, corrosion management, and inspection and non-destructive testing services to customers in the oil and gas, power generation, and petrochemical industries; software, digital, and connectivity solution for the energy industry; and software and analytical solutions for the bulk cargo maritime industry. The company's Aerospace and Defense Technologies segment offers government services and products, including engineering and related manufacturing in defense and space exploration activities principally to U.S. government agencies and their prime contractors. The company was founded in 1964 and is headquartered in Houston, Texas.